UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LUvaB2Qjvok6Y7J5TyT4MIglQ8pWhHnNkZ9yvH4FNUU=' 
WHERE 
  key_id = 'ac4e95a00f4a491b43b2689d14be5f3cfbf1ce56d81ea1ded34ac7dc5003ee2a' 
  AND (
    token = 'LUvaB2Qjvok6Y7J5TyT4MIglQ8pWhHnNkZ9yvH4FNUU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )